Second-Generation Superstars: More Famous Than Their Parents?

Not every celebrity parent has to worry about protecting the kids' inheritance. Alan Thicke, for example, can probably feel unashamed about spending all the retirement money he wants, now that his rather successful son, Robin Thicke, is looking to eclipse his father. The younger Thicke has what looks to be the year's biggest song with "Blurred Lines" — and a just-released album of the same name that's likely to debut at No. 1.

Alan and Robin have a mutual admiration society that extends to even having co-written a song on the new album. But intergenerational stardom isn't always so harmonious, especially in the rare cases when the offspring have even greater notoriety than their famous parents. Billy Ray Cyrus, for one, has "I created a monster" written all over his face. And for the children, it sometimes takes years or even decades of security as a star before they feel like giving their celebrity parents public props.

Flip through our gallery of singers and musicians who beat the odds to became at least as famous as their legendary parents, if not more so — from Hank Williams Jr. and Liza Minnelli to Lady Antebellum's Hillary Scott and LMFAO's Redfoo. - Chris Willman